F02M 26/02
Egr systems specially adapted for supercharged engines
Official title: EGR systems specially adapted for supercharged engines
F02M26/02 (Egr systems specially adapted for supercharged engines) appears on 2,874 US grants and 3,074 published applications in this corpus.
Search patents in F02M- Granted patents
- 2,874
- Published applications
- 3,074
- Assignees
- 430
- Inventors
- 4,441
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 50 | 0 |
| 2001 | 58 | 21 |
| 2002 | 73 | 60 |
| 2003 | 56 | 80 |
| 2004 | 74 | 85 |
| 2005 | 82 | 106 |
| 2006 | 87 | 113 |
| 2007 | 88 | 143 |
| 2008 | 86 | 135 |
| 2009 | 63 | 133 |
| 2010 | 85 | 139 |
| 2011 | 106 | 205 |
| 2012 | 113 | 162 |
| 2013 | 129 | 158 |
| 2014 | 144 | 252 |
| 2015 | 196 | 232 |
| 2016 | 210 | 231 |
| 2017 | 198 | 156 |
| 2018 | 196 | 170 |
| 2019 | 170 | 138 |
| 2020 | 157 | 127 |
| 2021 | 118 | 76 |
| 2022 | 88 | 55 |
| 2023 | 67 | 36 |
| 2024 | 37 | 21 |
| 2025 | 17 | 25 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-barrel exhaust gas recirculation mixer6 Oct 2026US 12,753,732 B2Woodward, Inc.
- Engine system25 Aug 2026US 12,716,395 B2Volvo Truck Corporation
- Mild-hybrid electric vehicle (MHEV) emissions aftertreatment system18 Aug 2026US 12,710,025 B2Saudi Arabian Oil Company
- Work vehicle compression ignition power system having thermally stratified engine combustion chambers21 Jul 2026US 12,687,133 B2Deere & Company
- Method for starting a power system14 Jul 2026US 12,680,522 B2Volvo Truck Corporation
- Intake temperature management systems for compression ignition of small molecule fuels10 Sep 2026US 2026/0266249 A1
- Engine system27 Aug 2026US 2026/0251110 A1Subaru Corporation
- Engine Assembly20 Aug 2026US 2026/0241341 A1Perkins Engines Company Limited
- Exhaust gas recirculation circuit for improved particle filter regeneration20 Aug 2026US 2026/0243219 A1Volvo Truck Corporation
- Egr system for rotary engine13 Aug 2026US 2026/0235067 A1Mazda Motor Corporation
Most cited
By later US patents
- Turbocharging systems for internal combustion engines208US 5,771,868 ATurbodyne Systems, Inc. · 1998
- Turbocharging systems for internal combustion engines197US 6,062,026 ATurbodyne Systems, Inc. · 2000
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- 6-cycle engine with regenerator168US 8,186,334 B22012
- Low emission, diesel-cycle engine158US 6,470,682 B2The United States of America as represented by the Administrator of the United States Environmental Protection Agency · 2002